[add] #461 : limit global queue

[add] #460 : external tools for optimize png

bin/thumb_server.sh

@@ -1,17 +1,25 @@
 #!/bin/bash
-# inspirated source http://www.cambus.net/blog/page/3/ for global idea
+# inspirated source http://www.cambus.net/creating-thumbnails-using-phantomjs-and-imagemagick/ for global idea
 #                   https://gist.github.com/rsvp/1171304 for httpstatus code
 # All info at http://forge.leslibres.org/projects/soshot
 
-site=$1 # url must be encode by url_encode() or equivalent ex : http://google.com
+site=$1 # url for thumbshot
 md5Site=$2 # md5(url) is the name of final image 
 thumbSize=$3 # size of thumb widthxheight ex : 190x90
 onlyThumb=$4 # make only thumbshot no full size image 
 waitForResult=$5 # if true we try to make soon as possible or add to queue
-maxThread=2 # max parralle work for me the best is processor core - 1
-timeOut=60 # default time out after this time the site are declared in error 
-log=false # log all generation success and error
+maxThread=3 # max parralle work for me the best is nb core - 1
+timeOut=60 # default time out after this time the site are declared in error
+log=true # log all generation success and error
 randomSleep=`echo $((RANDOM%20))`
+optimizeTool='' # external tool form optimize png
+maxQueue=50 # max process in queue
+currentProcess=$(ps -e | grep -v grep | grep thumb_ | wc -l)
+
+if [ $currentProcess -gt $maxQueue ]
+then
+    exit
+fi
 
 if [ ! $waitForResult ]
 then
@@ -21,10 +29,8 @@ then
         sleep `echo $((RANDOM%20))`
     done
 fi
+
 start_time=`date +%s`
-#firstLevel=${md5Site:0:2}
-#secondLevel=${md5Site:2:2}
-#mkdir -p "bin/img/$firstLevel/$secondLevel/"
 timeout $timeOut ./bin/phantomjs --disk-cache=false --local-storage-path=/bin/ --ignore-ssl-errors=true /bin/rasterize.js "$site" "cache/tmp/$md5Site.png"
 if [ ! -f "cache/tmp/$md5Site.png" ]
 then
@@ -46,9 +52,17 @@ fi
 if [ $onlyThumb ]
 then
     convert "cache/tmp/$md5Site.png" -crop 1280x1024+0+0 -filter Lanczos -thumbnail "$thumbSize" "cache/img/$md5Site""_thumb.png"
+    if [ $optimizeTool ]
+    then
+        eval $optimizeTool "cache/img/$md5Site""_thumb.png"
+    fi
 else
     convert "cache/tmp/$md5Site.png" -crop 1280x1024+0+0 "cache/img/$md5Site.png" &&
     convert "cache/img/$md5Site.png" -filter Lanczos -thumbnail "$thumbSize" "cache/img/$md5Site""_thumb.png"
+    if [ $optimizeTool ]
+    then
+        eval $optimizeTool "cache/img/$md5Site""_thumb.png" "cache/img/$md5Site.png"
+    fi
 fi
 rm "cache/tmp/$md5Site.png"